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Merged GstVideoOverlay features here.
Original commit message from CVS: Merged GstVideoOverlay features here.
This commit is contained in:
Julien Moutte
parent
21d8a397eb
commit
4653e15653
2 changed files with 96 additions and 9 deletions
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@ -25,7 +25,15 @@
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#include "xoverlay.h"
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static void gst_x_overlay_class_init (GstXOverlayClass *klass);
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enum {
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HAVE_XWINDOW_ID,
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HAVE_SIZE,
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LAST_SIGNAL
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};
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static guint gst_x_overlay_signals[LAST_SIGNAL] = { 0 };
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static void gst_x_overlay_base_init (gpointer g_class);
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GType
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gst_x_overlay_get_type (void)
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@ -35,7 +43,7 @@ gst_x_overlay_get_type (void)
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if (!gst_x_overlay_type) {
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static const GTypeInfo gst_x_overlay_info = {
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sizeof (GstXOverlayClass),
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(GBaseInitFunc) gst_x_overlay_class_init,
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gst_x_overlay_base_init,
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NULL,
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NULL,
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NULL,
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@ -56,15 +64,43 @@ gst_x_overlay_get_type (void)
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}
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static void
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gst_x_overlay_class_init (GstXOverlayClass *klass)
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gst_x_overlay_base_init (gpointer g_class)
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{
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/* default virtual functions */
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klass->set_xwindow_id = NULL;
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static gboolean initialized = FALSE;
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if (! initialized)
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{
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gst_x_overlay_signals[HAVE_SIZE] =
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g_signal_new ("have_size",
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GST_TYPE_X_OVERLAY, G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GstXOverlayClass, have_size),
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NULL, NULL,
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gst_marshal_VOID__INT_INT, G_TYPE_NONE, 2,
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G_TYPE_UINT, G_TYPE_UINT);
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gst_x_overlay_signals[HAVE_XWINDOW_ID] =
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g_signal_new ("have_xwindow_id",
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GST_TYPE_X_OVERLAY, G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GstXOverlayClass, have_xwindow_id),
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NULL, NULL,
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g_cclosure_marshal_VOID__POINTER, G_TYPE_NONE, 1,
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G_TYPE_POINTER);
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initialized = TRUE;
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}
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}
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/**
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* gst_x_overlay_set_xwindow_id:
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* @overlay: a #GstXOverlay to set the XWindow on.
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* @xwindow_id: a #XID referencing the XWindow.
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*
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* This will call the video overlay's set_xwindow_id method. You should
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* use this method to tell to a XOverlay to display video output to a
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* specific XWindow.
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*/
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void
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gst_x_overlay_set_xwindow_id (GstXOverlay *overlay,
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XID xwindow_id)
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gst_x_overlay_set_xwindow_id (GstXOverlay *overlay, XID xwindow_id)
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{
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GstXOverlayClass *klass = GST_X_OVERLAY_GET_CLASS (overlay);
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@ -72,3 +108,43 @@ gst_x_overlay_set_xwindow_id (GstXOverlay *overlay,
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klass->set_xwindow_id (overlay, xwindow_id);
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}
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}
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/**
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* gst_x_overlay_got_xwindow_id:
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* @overlay: a #GstXOverlay which got a XWindow.
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* @xwindow_id: a #XID referencing the XWindow.
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*
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* This will fire an have_xwindow_id signal.
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*
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* This function should be used by video overlay developpers.
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*/
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void
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gst_x_overlay_got_xwindow_id (GstXOverlay *overlay, XID xwindow_id)
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{
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g_return_if_fail (overlay != NULL);
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g_return_if_fail (GST_IS_X_OVERLAY (overlay));
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g_signal_emit (G_OBJECT (overlay),
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gst_x_overlay_signals[HAVE_XWINDOW_ID], 0, xwindow_id);
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}
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/**
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* gst_x_overlay_got_video_size:
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* @overlay: a #GstXOverlay which received video geometry.
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* @width: a width as a #gint.
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* @height: a height as a #gint.
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*
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* This will fire an have_size signal.
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*
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* This function should be used by video overlay developpers.
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*/
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void
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gst_x_overlay_got_video_size (GstXOverlay *overlay,
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gint width, gint height)
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{
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g_return_if_fail (overlay != NULL);
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g_return_if_fail (GST_IS_X_OVERLAY (overlay));
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g_signal_emit (G_OBJECT (overlay), gst_x_overlay_signals[HAVE_SIZE],
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0, width, height);
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}
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@ -1,5 +1,6 @@
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/* GStreamer X-based Overlay
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* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
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* Copyright (C) 2003 Julien Moutte <julien@moutte.net>
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*
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* x-overlay.h: X-based overlay interface design
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*
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@ -48,13 +49,23 @@ typedef struct _GstXOverlayClass {
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/* virtual functions */
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void (* set_xwindow_id) (GstXOverlay *overlay,
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XID xwindow_id);
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/* signals */
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void (*have_xwindow_id) (GstXOverlay *overlay,
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XID xwindow_id);
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void (*have_size) (GstXOverlay *overlay, gint width, gint height);
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} GstXOverlayClass;
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GType gst_x_overlay_get_type (void);
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/* virtual class function wrappers */
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void gst_x_overlay_set_xwindow_id (GstXOverlay *overlay,
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XID xwindow_id);
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void gst_x_overlay_set_xwindow_id (GstXOverlay *overlay, XID xwindow_id);
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/* public methods to fire signals */
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void gst_x_overlay_got_xwindow_id (GstXOverlay *overlay, XID xwindow_id);
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void gst_x_overlay_got_video_size (GstXOverlay *overlay,
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gint width, gint height);
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G_END_DECLS
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